org.bouncycastle.cert.dane.DANEEntryStore Maven / Gradle / Ivy

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The Bouncy Castle Java APIs for CMS, PKCS, EAC, TSP, CMP, CRMF, OCSP, and certificate generation. The APIs are designed primarily to be used in conjunction with the BC FIPS provider. The APIs may also be used with other providers although if being used in a FIPS context it is the responsibility of the user to ensure that any other providers used are FIPS certified.

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package org.bouncycastle.cert.dane;

import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

import org.bouncycastle.util.CollectionStore;
import org.bouncycastle.util.Selector;
import org.bouncycastle.util.Store;
import org.bouncycastle.util.StoreException;

/**
 * Class storing DANEEntry objects.
 */
public class DANEEntryStore
    implements Store
{
    private final Map entries;

    DANEEntryStore(List entries)
    {
        Map entryMap = new HashMap();

         for (Iterator it = entries.iterator(); it.hasNext();)
         {
             DANEEntry entry = (DANEEntry)it.next();

             entryMap.put(entry.getDomainName(), entry);
         }

        this.entries = Collections.unmodifiableMap(entryMap);
    }

    /**
     * Return a collection of entries matching the passed in selector.
     *
     * @param selector the selector to validate entries against.
     * @return a possibly empty collection of matched entries.
     * @throws StoreException in case of an underlying issue.
     */
    public Collection getMatches(Selector selector)
        throws StoreException
    {
        if (selector == null)
        {
            return entries.values();
        }

        List results = new ArrayList();

        for (Iterator it = entries.values().iterator(); it.hasNext();)
        {
            Object next = it.next();
            if (selector.match(next))
            {
                results.add(next);
            }
        }

        return Collections.unmodifiableList(results);
    }

    /**
     * Return a Store of X509CertificateHolder objects representing all the certificates associated with
     * entries in the store.
     *
     * @return a Store of X509CertificateHolder.
     */
    public Store toCertificateStore()
    {
        Collection col = this.getMatches(null);
        List certColl = new ArrayList(col.size());

        for (Iterator it = col.iterator(); it.hasNext();)
        {
            DANEEntry entry = (DANEEntry)it.next();

            certColl.add(entry.getCertificate());
        }

        return new CollectionStore(certColl);
    }
}